php 图像上传者cakephp 3并调整大小

Posted 2021-05-05

    //function back-end
    public function add()
    {
        $product = $this->Products->newEntity();
        if ($this->request->is('post')) {

            $this->loadComponent('Image');

            $exploded = explode('.', $this->request->data['image']['name']);
            $ext = $exploded[count($exploded) - 1];
            
            $file_tmp = $this->request->data['image']['tmp_name'];
            $imageWidth =  getimagesize($file_tmp)[0];
            $imgHeight = getimagesize($file_tmp)[1];
            $largeDir = WWW_ROOT . 'images' . DS . 'large' . DS;
            $smallDir = WWW_ROOT . 'images' . DS . 'small' . DS;
            $imageName = strtolower(Inflector::slug($this->request->data['name']) . '.' . $ext);

            if (!empty($imageName) && is_uploaded_file($file_tmp)) {
                $this->request->data['image'] = $imageName;
                $imgWidth =  ($imageWidth < '500')? $imageWidth : 500;
                $imgHeight =  ($imageWidth < '500')? $imgHeight : 500;
                $this->Image->resample($file_tmp, $largeDir, $imageName, $imgWidth, $imgHeight, false, false);
                $this->Image->resample($file_tmp, $smallDir, $imageName, 300, 300, false, false);
            }else {
                unset($this->request->data['image']);
            }
            
            $product = $this->Products->patchEntity($product, $this->request->data);

            if ($this->Products->save($product)) {
                $this->Flash->success(__('The product has been saved.'));
                return $this->redirect(['action' => 'index']);
            } else {
                $this->Flash->error(__('The product could not be saved. Please, try again.'));
            }
        }
        $categories = $this->Products->Categories->find('list', ['limit' => 200]);
        $this->set(compact('product', 'categories'));
        $this->set('_serialize', ['product']);
    }
//front form cakephp 3

<div class="row">
    <div class="col-sm-5">
        <?= $this->Form->create($product,['type' => 'file']) ?>
        <?php echo $this->Form->input('category_id', ['label'=>'Categoría','options' => $categories, 'empty' => true, 'class' => 'form-control']); ?>
        <br />
        <?php echo $this->Form->input('name', ['label'=>'Nombre', 'class' => 'form-control', 'placeholder'=>'Marcadores Carioca ']); ?>
        <br />
        <?php echo $this->Form->input('slug', ['label'=>'Slug', 'class' => 'form-control', 'placeholder'=>'marcadores-carioca ']); ?>
        <br />
        <?php echo $this->Form->input('description', ['label'=>'Descripción','class' => 'form-control', 'rows' => 8]); ?>
        <br />
        <?php echo $this->Form->input('image', ['label'=>'Imagen','type' => 'file', 'label' => 'Imagen', 'class' => 'form-control']); ?>
        <br />

        <?php echo $this->Form->button('Guardar', ['class' => 'btn btn-primary']); ?>
        <?php echo $this->Form->end(); ?>
    </div>
</div>